diff --git a/configs/mcu123-lpc214x/src/Makefile b/configs/mcu123-lpc214x/src/Makefile
index ab71e0ccea..aad225d089 100644
--- a/configs/mcu123-lpc214x/src/Makefile
+++ b/configs/mcu123-lpc214x/src/Makefile
@@ -51,6 +51,10 @@ CSRCS		= up_spi.c up_leds.c
 ifeq ($(CONFIG_EXAMPLES_NSH_ARCHINIT),y)
 CSRCS		+= up_nsh.c
 endif
+ifeq ($(CONFIG_EXAMPLE),usbstorage)
+CSRCS		+= up_usbstrg.c
+endif
+
 COBJS		= $(CSRCS:.c=$(OBJEXT))
 
 SRCS		= $(ASRCS) $(CSRCS)
diff --git a/configs/mcu123-lpc214x/src/up_usbstrg.c b/configs/mcu123-lpc214x/src/up_usbstrg.c
new file mode 100755
index 0000000000..aab15f13a2
--- /dev/null
+++ b/configs/mcu123-lpc214x/src/up_usbstrg.c
@@ -0,0 +1,144 @@
+/****************************************************************************
+ * configs/mcu123-lpc214x/src/up_usbstrg.c
+ *
+ *   Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Configure and register the LPC214x MMC/SD SPI block driver.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <debug.h>
+#include <errno.h>
+
+#include <nuttx/spi.h>
+#include <nuttx/mmcsd.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
+#ifndef CONFIG_EXAMPLES_USBSTRG_DEVMINOR1
+#  define CONFIG_EXAMPLES_USBSTRG_DEVMINOR1 0
+#endif
+
+/* PORT and SLOT number probably depend on the board configuration */
+
+#ifdef CONFIG_ARCH_BOARD_MCU123
+#  undef LPC214X_MMCSDSPIPORTNO
+#  define LPC214X_MMCSDSPIPORTNO 1
+#  undef LPC214X_MMCSDSLOTNO
+#  define LPC214X_MMCSDSLOTNO 0
+#else
+   /* Add configuration for new LPC214x boards here */
+#  error "Unrecognized LPC214x board"
+#endif
+
+/* Debug ********************************************************************/
+
+#ifdef CONFIG_CPP_HAVE_VARARGS
+#  ifdef CONFIG_DEBUG
+#    define message(...) lib_lowprintf(__VA_ARGS__)
+#    define msgflush()
+#  else
+#    define message(...) printf(__VA_ARGS__)
+#    define msgflush() fflush(stdout)
+#  endif
+#else
+#  ifdef CONFIG_DEBUG
+#    define message lib_lowprintf
+#    define msgflush()
+#  else
+#    define message printf
+#    define msgflush() fflush(stdout)
+#  endif
+#endif
+
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: usbstrg_archinitialize
+ *
+ * Description:
+ *   Perform architecture specific initialization
+ *
+ ****************************************************************************/
+
+int usbstrg_archinitialize(void)
+{
+  FAR struct spi_dev_s *spi;
+  int ret;
+
+  /* Get the SPI port */
+
+  message("usbstrg_archinitialize: Initializing SPI port %d\n",
+          LPC214X_MMCSDSPIPORTNO);
+
+  spi = up_spiinitialize(1);
+  if (!spi)
+    {
+      message("usbstrg_archinitialize: Failed to initialize SPI port %d\n",
+              LPC214X_MMCSDSPIPORTNO);
+      return -ENODEV;
+    }
+
+  message("usbstrg_archinitialize: Successfully initialized SPI port %d\n",
+          LPC214X_MMCSDSPIPORTNO);
+
+  /* Bind the SPI port to the slot */
+
+  message("usbstrg_archinitialize: Binding SPI port %d to MMC/SD slot %d\n",
+          LPC214X_MMCSDSPIPORTNO, LPC214X_MMCSDSLOTNO);
+
+  ret = mmcsd_spislotinitialize(CONFIG_EXAMPLES_USBSTRG_DEVMINOR1, LPC214X_MMCSDSLOTNO, spi);
+  if (ret < 0)
+    {
+      message("usbstrg_archinitialize: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
+              LPC214X_MMCSDSPIPORTNO, LPC214X_MMCSDSLOTNO, ret);
+      return ret;
+    }
+
+  message("usbstrg_archinitialize: Successfuly bound SPI port %d to MMC/SD slot %d\n",
+          LPC214X_MMCSDSPIPORTNO, LPC214X_MMCSDSLOTNO);
+  return OK;
+}
diff --git a/configs/stm3210e-eval/README.txt b/configs/stm3210e-eval/README.txt
index 6c4b157c15..e6c55b332e 100755
--- a/configs/stm3210e-eval/README.txt
+++ b/configs/stm3210e-eval/README.txt
@@ -418,3 +418,8 @@ Where <subdir> is one of the following:
     This configuration directory exercises the USB serial class
     driver at examples/usbserial.  See examples/README.txt for
     more information.
+
+  usbstorage:
+    This configuration directory exercises the USB mass storage
+    class driver at examples/usbstorage.  See examples/README.txt for
+    more information.